GRE Physics GR 1777 Problem Solution
097.
You should know about
Springs-Spring Potential Energy
Solution
Answer
(A) $latex L = \\frac{1}{2} ma^2(\\dot{\\theta}^2_1+\\dot{\\theta}^2_2) – \\frac{1}{2}mga(\\theta^2_1+\\theta^2_2) – \\frac{1}{2}ka^2(\\theta_2 – \\theta_1)^2$
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